Home / 88,420.08-122,015.97-48,133

Finding the Fourth Proportional to 88,420.08, 122,015.97 and 48,133

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Solution

The fourth proportional to 88,420.08, 122,015.97 and 48,133 is: 66,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,420.08 : 122,015.97 = 48,133 : x
  2. Step 2: Convert to fraction form
    88,420.08/122,015.97 = 48,133/x
  3. Step 3: Cross multiply
    88,420.08x = 122,015.97 × 48,133
  4. Step 4: Simplify right side
    88,420.08x = 5,872,994,684.01
  5. Step 5: Solve for x
    x = 5,872,994,684.01/88,420.08
  6. Step 6: Final answer
    x = 66,421.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.